Clutch lock for window regulators



Dec. 27, 1927. 1,653,654'

I H. A. MYERS CLUTCH LOCK FOR WINDOW REGULATORS Fild April 17. 1926 2Sheets-Sheet l HEE : gnvewtoz zwmm/w m attain? Dec. 27, 1927. 1,653,654

H. A. MYERS CLUTCH LOCK FOR WINDOW REGULATORS Filed April 17. 1926 2Sheets-Sheet 2 Patented Dec. 27, 1927.

UNITED STA S nnBnnT A. MYERS, or TOLED OI-IVIO, ASSIGNOR To THE MYERSREGULATOR C MPANY,

I 1,653,654 PATENT, OFFICE.

OF TOLEDO, OHIO, A oonrOnATION OF OHIO. I

onu'ron LOCK 120a WINDOW REGULATORS.

Application filed April 17, 1926. Serial no. 102,640.

My invention has for its object to provide an etlicient means forautomatically locking the window of an automobile in any position thatit may be placed by the window raising and lowering means and alsowherein the window will be automatically unlocked upon the operation ofthe window raising and lowering means in order that the raising andlowering movements may 1 be performed.

The invention may be contained in structures of different forms and maybe used for a variety of purposes and to illustrate a practicalapplication of the invention I have selected an automobile windowregulator having the invention applied thereto. The window re ulatorclutch lock selected for purposes OI illustration is shown in theaccompanying drawings and is described hereinafter.

Figure 1 of the drawings illustrates the invention applied to the armand sector type of window regulator. Fig. 2 illustrates the. supportingplate and a top view of the clutch lock in position on' the supportingplate. Fig. 3 is a view of the clutch lockwhen the parts are in drivingrelation to each other. Fig. 4 is a view of the clutch lock showing theparts in locked relation. Fig. 5 is an edge view of the clutch lock.Fig. 6 is a perspective view of the release disk. Fig. 7 is aperspective View of the locking disk. Fig. 8 is an edge view of theassembled parts.

As shown in Figs. 1, 2, and 8, the window regulator is provided with .anarm 1 that is secured to a sector gear 2 and they are together pivotedon the supporting plate 3 that is secured to a part of the door frame inwhich the window 4 is located. is provided with a roller 5 that engagesthe lower edge of the window glass 4 and as the arm 1 is raised andlowered the roller rolls beneath the edge of the glass 4- in raising andlowering the window. The sector 2 is driven by means of a pinion 6 whichis driven by the crank 7. In order to counterbalance the weight of theglass &, a counterbalancing spring 8 is connected to the shaft 9 of thesector 2 whereby the operation of the window may be performed byovercoming only the friction, particularly that friction that existsbetween the edges of the glass and its guiding channel, when the windowis moved. Thus substantially the same The arm 1 pressure or force willraise the window that is used in lowering the window. V

In order to prevent the window from being forcibly moved downward whenitis partly open and particularly to prevent the lowering of the window bythe joggin g effect that is produced when the automobile travels on theroad, I have provided an automatic locking means for locking the windowin the position in which it is placed by the window regulator, meansbeing provided for releasingthe window upon movement of the crank 7. Thecrank 7 is keyed to a release disk 10 while the pinion 6 is keyed to thelocking disk 11 and a dog, 12 is pivoted to the supporting plate 3 insuch a position as to engage the locking disk 11 and to be disengagedfrom the locking disk 11 bythe release disk 10. The dog 12 is providedwith a nose 13 that will engage in any one of a plurality of notches orrecesses 14 formed in the periphery of the disk 11. Preferably the sidesof the recesses 14 extend parallel to each'other and substantiallyradially and the end edges of the nose 13 extend substantially parallelto each other and consequently the dog will lock the disk 11 fromrotation when the nose is located in. any one of the recesses 14 and thepinion 6 will be locked from rotation. This will lockthe window 4 owingto the fact that thepressure'that it exerts is transmitted through thearm 1 and the sector 2 to the pinion 6 The dog 12 is releasedautomatically from disengagement'with the disk 11 by means of the disk10 which is provided with recesses 15 formed in the edge portion of thedisk. The end edges of the recesses 15 are in clined to the radii of thedisk. Also the disk 11 has a pin 16 and the disk 10 has a slot 17 forreceiving the pin 16. The two disks are mounted side by side andmovement of one relative to the other is limited by the pin 16 and thelength of the slot 17 The number of the recesses 15 in the plate 10 arethe same as the number of recesses 14. in the plate 11 and the pin 16and the slot 17 are so located relative to each other that the recesses14 and 15 will substantially register one with the other. The nose 13 ofthe dog 12 also is made of sufficient width so that when it is inposition to lock the window it will be located in a recess of each disk.The plate 10 being keyed to the crank 7, rotation of the crank willcause the disk to move relative to the disk 11 and the inclined ends ofthe recess 15, in which the nose of the dog may be located, will pushthe nose of the dog out of the recess 14L of the plate 11 and uponcontinued rotative movement of the disk 10, will cause the end of theslot 17 to engage the pin 16 and rotate the pinion 6.

In order to permit the dog 12 to again enter the recesses of the disks10 and 11, a relatively strong spring 20 has end portions that engagethe pin 16 and. a pin, 21. that is located substantially in the radiusthat passes through substantially the center of the slot 1'? andoperates to place the pins 16 and 21 in radial alinement with each otheras soon as the locking plate 11 has been released from the dog 12, andwhen the crank ceases to rotate the plate 10. Upon cessation of thepressure on the crank, the plate 10 will be rotated in a reversedirection within the limitation out the end of the slot 17 and itscenter by the elasticity of the spring 20 so as toplace the pins 16 and21 in radial alinement and at the same time cause the recesses toregister with the recesses 14;. This will permit the dog 12 to enter thesucceeding recess 14 and lock the disk 11 and consequently lock thewindow in the position to which it has been raised.

The dog may be spring pressed by means of the spring 22 so as to pressthe nose 13 against the edges of the disks 10 and 11 when it has beenforced from the recesses 14 and 15 and to cause it to enter the recesses14 and 15 when the spring 20 has been permitted by releasementof thecrank to cause the recesses 14: and 15 to register with each other. Thespring 20 may be wound about the hub of the disk 10 in order to secureit in position and to give opportunity for its clastic operation on thedisks.

I claim:

1. In a clutch lock, a support 'for the lock, a driven member and adriving member, the said members interconnected for limited movement onerelative to the other, a spring for maintaining the members in a normalintern'iediate position with reference to their said limited movementsand for yieldingly resisting movement in either direction from the saidnormal relative intermediate position, a locking part connected to thesaid support for engaging one of the members, the other of the membershaving means for disengaging the said part to unlock the same onmovement from the said normal position relative to the other member.

2. In a clutch lock, a support for the lock, a driven member and adriving member, the said members interconnected -for limited movementone relative to the other, a spring tormaintaining the members in anormal intermediate position with reference to their said limitedmovements and for yieldingly resisting movement in either direction fromthe said normal relative intermediateposition, a locking part connectedto the said support for engaging the driven member, the driving memberhaving means for disengaging the said part to unlock the same onmovement from the said normal position relative to the other member.

3. In a clutch lock, a support for the lock, a driven member and adriving member, the said members having radialty extending teeth, thesides o1 the teeth of the driven member being substantially radial, andthe sides of the teeth of the driving member sloping with reference tothe radii of the teeth, the said members having a pair oflaterallyprotruding parts extending in the same direction from themembers, a spring interconnecting the said laterally extending parts,means for limiting the movement of one of the parts relative to theother, the interconnecting spring operating to maintain the members in anormal intermediate position with reference to their said limitedmovements, and for 'yieldingly resisting movement of one of the membersrelative to the teeth oil the said members, the teeth of" the drivingmember when moved within the said limitations operating to disengage thesaid part. to move the said part from between the teeth of the drivenmember.

In testimony whcreoi l have hereunto signed my name to thisspecification.

HUBERT A. MYERS.

